DTC Logic

Diagnosis Procedure
1.CHECK USB HARNESS
Visually check USB harness.
U1243 display unit
U1255 satellite radio tunerSatellite radio tuner
Removal and Installation
REMOVAL
Disconnect the battery negative terminal.
Remove the trunk upper finisher. Refer to INT-36, "Exploded View".
Remove the parcel shelf finisher. Refer to INT-28, "Removal and
Installation".
From inside the passenger compartment, remove the bracket screw ...
Malfunction indicator lamp
Description
The Malfunction Indicator Lamp (MIL) is located on the combination
meter.
The MIL will illuminate when the ignition switch is turned ON without
the engine running. This is a bulb check.
When the engine is started, the MIL should turn off. If the MIL
remains illuminated, ...
Microphone signal circuit
Description
Voice signals are transmitted from the microphone to the Bluetooth control
unit using the microphone signal circuits.
Diagnosis Procedure
1.CHECK HARNESS BETWEEN BLUETOOTH CONTROL UNIT AND MICROPHONE
Turn ignition switch OFF.
Disconnect Bluetooth control unit connector and ...